| ; RUN: llc < %s -mcpu=generic -mtriple=i686-- -mattr=+cmov,cx16 -verify-machineinstrs | FileCheck %s |
| |
| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" |
| |
| define void @func(i32 %argc, ptr %argv) nounwind { |
| entry: |
| %argc.addr = alloca i32 ; <ptr> [#uses=1] |
| %argv.addr = alloca ptr ; <ptr> [#uses=1] |
| %val1 = alloca i32 ; <ptr> [#uses=2] |
| %val2 = alloca i32 ; <ptr> [#uses=15] |
| %andt = alloca i32 ; <ptr> [#uses=2] |
| %ort = alloca i32 ; <ptr> [#uses=2] |
| %xort = alloca i32 ; <ptr> [#uses=2] |
| %old = alloca i32 ; <ptr> [#uses=18] |
| %temp = alloca i32 ; <ptr> [#uses=2] |
| %temp64 = alloca i64 |
| store i32 %argc, ptr %argc.addr |
| store ptr %argv, ptr %argv.addr |
| store i32 0, ptr %val1 |
| store i32 31, ptr %val2 |
| store i32 3855, ptr %andt |
| store i32 3855, ptr %ort |
| store i32 3855, ptr %xort |
| store i32 4, ptr %temp |
| %tmp = load i32, ptr %temp |
| ; CHECK: lock |
| ; CHECK: xaddl |
| %0 = atomicrmw add ptr %val1, i32 %tmp monotonic |
| store i32 %0, ptr %old |
| ; CHECK: lock |
| ; CHECK: xaddl |
| %1 = atomicrmw sub ptr %val2, i32 30 monotonic |
| store i32 %1, ptr %old |
| ; CHECK: lock |
| ; CHECK: xaddl |
| %2 = atomicrmw add ptr %val2, i32 1 monotonic |
| store i32 %2, ptr %old |
| ; CHECK: lock |
| ; CHECK: xaddl |
| %3 = atomicrmw sub ptr %val2, i32 1 monotonic |
| store i32 %3, ptr %old |
| ; CHECK: andl |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %4 = atomicrmw and ptr %andt, i32 4080 monotonic |
| store i32 %4, ptr %old |
| ; CHECK: orl |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %5 = atomicrmw or ptr %ort, i32 4080 monotonic |
| store i32 %5, ptr %old |
| ; CHECK: xorl |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %6 = atomicrmw xor ptr %xort, i32 4080 monotonic |
| store i32 %6, ptr %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %7 = atomicrmw min ptr %val2, i32 16 monotonic |
| store i32 %7, ptr %old |
| %neg = sub i32 0, 1 ; <i32> [#uses=1] |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %8 = atomicrmw min ptr %val2, i32 %neg monotonic |
| store i32 %8, ptr %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %9 = atomicrmw max ptr %val2, i32 1 monotonic |
| store i32 %9, ptr %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %10 = atomicrmw max ptr %val2, i32 0 monotonic |
| store i32 %10, ptr %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %11 = atomicrmw umax ptr %val2, i32 65535 monotonic |
| store i32 %11, ptr %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %12 = atomicrmw umax ptr %val2, i32 10 monotonic |
| store i32 %12, ptr %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %13 = atomicrmw umin ptr %val2, i32 1 monotonic |
| store i32 %13, ptr %old |
| ; CHECK: cmov |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %14 = atomicrmw umin ptr %val2, i32 10 monotonic |
| store i32 %14, ptr %old |
| ; CHECK: xchgl %{{.*}}, {{.*}}(%esp) |
| %15 = atomicrmw xchg ptr %val2, i32 1976 monotonic |
| store i32 %15, ptr %old |
| %neg1 = sub i32 0, 10 ; <i32> [#uses=1] |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %pair16 = cmpxchg ptr %val2, i32 %neg1, i32 1 monotonic monotonic |
| %16 = extractvalue { i32, i1 } %pair16, 0 |
| store i32 %16, ptr %old |
| ; CHECK: lock |
| ; CHECK: cmpxchgl |
| %pair17 = cmpxchg ptr %val2, i32 1976, i32 1 monotonic monotonic |
| %17 = extractvalue { i32, i1 } %pair17, 0 |
| store i32 %17, ptr %old |
| ; CHECK: movl [[R17atomic:.*]], %eax |
| ; CHECK: movl %eax, %[[R17mask:[a-z]*]] |
| ; CHECK: notl %[[R17mask]] |
| ; CHECK: orl $-1402, %[[R17mask]] |
| ; CHECK: lock |
| ; CHECK: cmpxchgl %[[R17mask]], [[R17atomic]] |
| ; CHECK: jne |
| ; CHECK: movl %eax, |
| %18 = atomicrmw nand ptr %val2, i32 1401 monotonic |
| store i32 %18, ptr %old |
| ; CHECK: notl |
| ; CHECK: notl |
| ; CHECK: orl $252645135 |
| ; CHECK: orl $252645135 |
| ; CHECK: lock |
| ; CHECK: cmpxchg8b |
| %19 = atomicrmw nand ptr %temp64, i64 17361641481138401520 monotonic |
| store i64 %19, ptr %temp64 |
| ret void |
| } |
| |
| define void @test2(ptr addrspace(256) nocapture %P) nounwind { |
| entry: |
| ; CHECK: lock |
| ; CHECK: cmpxchgl %{{.*}}, %gs:(%{{.*}}) |
| |
| %pair0 = cmpxchg ptr addrspace(256) %P, i32 0, i32 1 monotonic monotonic |
| %0 = extractvalue { i32, i1 } %pair0, 0 |
| ret void |
| } |